1adc is a 2 chain structure with sequence from Equus caballus. The January 2001 RCSB PDB Molecule of the Month feature on Alcohol Dehydrogenase by David S. Goodsell is 10.2210/rcsb_pdb/mom_2001_1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.